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Device for the quick vibration of tubes containing, in particular, biological samples

a test tube and rapid vibration technology, applied in mixers, biochemistry apparatus and processes, biochemistry apparatus, etc., can solve the problems of not being cost-effective, not being able to use 16 or 24 test tubes, and not being specialized in many laboratories, and achieve the effect of improving the stiffness of rotation

Inactive Publication Date: 2014-09-16
BERTIN TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides an appliance that can quickly and effectively vibrate samples for analysis, while being simple and inexpensive. The quality and effectiveness of the analysis is at least as good as known appliances. Additionally, the appliance can function without causing damage at high frequencies.

Problems solved by technology

Many laboratories are not that specialized.
For those laboratories, which are very numerous, using a 16 or 24 test-tube machine is possible, but not cost effective.

Method used

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  • Device for the quick vibration of tubes containing, in particular, biological samples
  • Device for the quick vibration of tubes containing, in particular, biological samples
  • Device for the quick vibration of tubes containing, in particular, biological samples

Examples

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Embodiment Construction

[0031]In the embodiment of FIG. 1, the appliance of the invention comprises a baseplate 10 having its bottom portion provided with insulating legs 11 for standing on a laboratory bench top or some other plane stationary support, and having its top portion receive an electric motor 12 via a vibration-filtering connection 13 and a support 14 for a hinge center 15.

[0032]A disk 16 that is fastened on the shaft of the motor 12 is provided with an eccentric pin 17 on which a link 19 is fastened via a rolling ball joint 18.

[0033]The link 19 is fastened to a support 20 via a fork 22 capable of imposing rotary motions on the support 20 about two mutually perpendicular axes X and Y that define the hinge center 15 where they intersect.

[0034]The hinge 15 is fastened to the support 14 by bearings 24, preferably ball bearings, that prevent axial movement and that allow a single degree of freedom in rotation about the axis X.

[0035]The support 20 is fastened to the hinge 15 by a bearing 25, prefera...

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Abstract

An appliance for rapidly vibrating test tubes containing samples to be ground up, the appliance comprising an electric motor (12) for driving rotation of a disk (16) that is provided with an eccentric pin (17), the appliance being characterized in that the test tubes (23) are perpendicular to the eccentric pin and are held by a clamp (21) mounted on a support (20) that is substantially parallel to the eccentric pin, being connected to a fixed baseplate via a Cardan type hinge (15) having two mutually perpendicular axes of rotation (X and Y), one of which axes (Y) is substantially parallel to the eccentric pin (17) and connects the support (20) to the other axis (X) of the hinge (15) that prevents the support (20) from moving in rotation about a perpendicular axis (Z). The support (20) is connected to the eccentric pin (17) by a link (19).

Description

FIELD OF THE INVENTION[0001]The invention relates to an appliance for rapidly vibrating test tubes containing samples, in particular biological samples, the rapid vibration of the test tubes serving to grind up, stir, and / or homogenize the samples.BACKGROUND[0002]It is already known to grind up biological samples (tissues, cereals, hair, etc.) by enclosing the samples in test tubes that also contain micro-beads of glass, ceramics, steel, or other material, and by subjecting the hermetically sealed test tubes to essentially axial vibration at high frequency, e.g. at about 100 hertz (Hz), for a relatively short duration, of the order of 30 seconds (s) to 60 s, for example.[0003]Various documents such as U.S. Pat. No. 5,567,050 and WO 2004 / 012851 describe appliances for performing such a method. They comprise a circular tray supporting the tubes and means for driving the tray with oscillatory motion about a center of rotation.[0004]The tubes are fastened to the periphery of the tray at...

Claims

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Application Information

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IPC IPC(8): B01F11/00B01F7/00B01F13/10B01L9/06C12M3/06
CPCB01F11/0008B01F11/0097B01F11/0028C12M27/16B01F2215/0073B01F2215/0037B01F2013/1083B01L9/06B01F31/201B01F31/26B01F31/70B01F33/83612B01F2101/23B01F2101/44B01F35/80B01F31/00B01F23/40
Inventor BOQUET, JEAN
Owner BERTIN TECHNOLOGIES
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